<html>
<head>
<script type="text/javascript" src="../shiro/manager/jquery-1.10.2.min.js"></script>
</head>
<body>
	<button>quit1</button>
	<button>quit2</button>
	<button>quit3</button>
	<button>quit4</button>
<script type="text/javascript">
var button = $("button:first");
button.css("background-color", "gray");

var button = $("button:last");
button.css("background-color", "gray");
</script>
</body>
</html>


